APA Style

Perdhani, W, C. et al (2021). Sociolinguistics : a social linguistics reality (Cet. 1). Malang: UB Press.

MLA Style

Perdhani, Widya, Caterine. et al. "Sociolinguistics : a social linguistics reality". Cet. 1 Malang: UB Press, 2021. Text.